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SURVEY PROCEDURES FOR TALL BUILDINGS IAN R. SPARKS 1

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SURVEY PROCEDURES FOR TALL BUILDINGS IAN R. SPARKS

1

2

Formwork alignment

Vert

ical

dist

ance

Con

cret

e sh

rink

age

Verticality Checks

Replacing lost control

3

4

5

TOWER SUPERSTRUCTURE-ELEVATIONAL COMPENSATION PROGRAM SCOPE

6

7

8

FOUNDATION

9

10

GOVERNMENT BENCHMARK

11

12

DEFORMATION

13

14

VERT N/S

15

CONCRETE SHRINKAGE

Wind

Sun

16

Cra

ne lo

ad

17

VERT N/S

18

VERT N/S

Con

siste

nt fl

oor t

o flo

or h

eigh

t

Con

cret

e sh

rink

age

and

cree

p

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20

21

22

23

Long term monitoring

The survey programme

Survey equipment

24

Thank you

Any Questions?